20170220940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1288009}}^1$

素因数の和:1288056

約数の個数: 96

約数和(自身を含む): 64915704000

約数和(自身を除く): 44745483060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1566, 1740, 2610, 3132, 3915, 5220, 7830, 15660, 1288009, 2576018, 3864027, 5152036, 6440045, 7728054, 11592081, 12880090, 15456108, 19320135, 23184162, 25760180, 34776243, 37352261, 38640270, 46368324, 57960405, 69552486, 74704522, 77280540, 112056783, 115920810, 139104972, 149409044, 173881215, 186761305, 224113566, 231841620, 336170349, 347762430, 373522610, 448227132, 560283915, 672340698, 695524860, 747045220, 1008511047, 1120567830, 1344681396, 1680851745, 2017022094, 2241135660, 3361703490, 4034044188, 5042555235, 6723406980, 10085110470, 20170220940]

約数ペア:

[(1, 20170220940), (2, 10085110470), (3, 6723406980), (4, 5042555235), (5, 4034044188), (6, 3361703490), (9, 2241135660), (10, 2017022094), (12, 1680851745), (15, 1344681396), (18, 1120567830), (20, 1008511047), (27, 747045220), (29, 695524860), (30, 672340698), (36, 560283915), (45, 448227132), (54, 373522610), (58, 347762430), (60, 336170349), (87, 231841620), (90, 224113566), (108, 186761305), (116, 173881215), (135, 149409044), (145, 139104972), (174, 115920810), (180, 112056783), (261, 77280540), (270, 74704522), (290, 69552486), (348, 57960405), (435, 46368324), (522, 38640270), (540, 37352261), (580, 34776243), (783, 25760180), (870, 23184162), (1044, 19320135), (1305, 15456108), (1566, 12880090), (1740, 11592081), (2610, 7728054), (3132, 6440045), (3915, 5152036), (5220, 3864027), (7830, 2576018), (15660, 1288009)]